On Mon, Mar 12, 2018 at 9:57 AM, Martin Liška <mli...@suse.cz> wrote: > Hi. > > This is fix for the PR that introduces a new target macro. Using the macro
Don't add new target macros, use target hooks. > one can say that a target has a fast mempcpy and thus it's preferred to be > used > if possible. > > Patch can bootstrap on ppc64le-redhat-linux and survives regression tests. > I also tested on x86_64-linux-gnu. > > Ready to be installed? > Martin > > gcc/ChangeLog: > > 2018-03-08 Martin Liska <mli...@suse.cz> > > PR middle-end/81657 > * builtins.c (expand_builtin_memory_copy_args): Add new > arguments. > * config/i386/i386.h (TARGET_HAS_FAST_MEMPCPY_ROUTINE): > New macro. > * defaults.h (TARGET_HAS_FAST_MEMPCPY_ROUTINE): Likewise. > * doc/tm.texi: Likewise. > * doc/tm.texi.in: Likewise. > * expr.c (compare_by_pieces): Add support for bail out. > (emit_block_move_hints): Likewise. > * expr.h (emit_block_move_hints): Add new arguments. > > gcc/testsuite/ChangeLog: > > 2018-03-09 Martin Liska <mli...@suse.cz> > > PR middle-end/81657 > * gcc.dg/string-opt-1.c: Adjust test to run only on non-x86 > target. > --- > gcc/builtins.c | 13 ++++++++++++- > gcc/config/i386/i386.h | 3 +++ > gcc/defaults.h | 7 +++++++ > gcc/doc/tm.texi | 5 +++++ > gcc/doc/tm.texi.in | 5 +++++ > gcc/expr.c | 16 +++++++++++++++- > gcc/expr.h | 4 +++- > gcc/testsuite/gcc.dg/string-opt-1.c | 4 ++-- > 8 files changed, 52 insertions(+), 5 deletions(-) > >